Electrolytic capacitors and film capacitors were replaced in 2024/2 and full maintenance was carried out! A separate amplifier that is still popular even now, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it has thick, firm mid-bass, and the tasteful sound unique to vacuum tubes is impressive. There is a scratch on the top plate of the preamp (Shota Sasaki)
Maintenance information: 2025.2.17 operation confirmed
2024.2.17 Maintained (Electrolytic Capacitors 25 μF replaced with European ones x 2; Film Capacitors 0.1 μF replaced with European ones 3 x 2; Resistors 1/2 W → 1 W replaced with 3 x 2; Vacuum Tube Socket Caulking Repairs. Replace with a product similar to No. 57078 vacuum tube socket. QUAD22 · Internal Toggle Switch Contact Failure Replacement · Spark Killer Deterioration Replacement 2 pcs · Film Capacitors 0.5 μF and others Deterioration Replacement 8 pcs · Electrolytic Capacitors Replaced with European Products · 6 Resistors 1W and 1/2W Deterioration Replacements · CD Input Reduction Measures for Radio1 Only → 1/4 W Resistance Added 4 · RCA Jack Caulking Repair. Other operation checked (measured at 11 to 17 W SP: 16 Ω with rated output AC 100 to 117 V) *The P/U adapter is an AA type. (Please use the black terminal when listening in mono)
Accessories: power cable, instruction manual, banana plug AT6302
Main specifications: 11-17W (16Ω) [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
The price has been reduced! 2025/2/15 sales price 89,800 yen Maintained! Tokyo Sound's best-selling tube premain amplifier. The 6L6 beam tube is used by push-pull. You can get a thick, thick tube sound. It is a highly tasteful model that is easy to use, even for those starting out in the tube style. There are some scratches on the exterior. Serial 24040022 (Fujisawa Yukishi)
Maintenance information: 2025.2.15 Maintained (main volume replacement. Replace the output tube. Film capacitor replacement. Rotary switch disassembly cleaning protective agent applied. Vacuum tube pin cleaning. Loosen the screws and tighten them. Bias check adjustment. (Voice check for each input/output)
Accessories: instruction manual, power cord
Main specifications: output: 35W+35W (8Ω) vacuum tube used: 6L6GC x 4 12AT7 x 4 dimensions W430 x H170 x D295 mm (including protrusions) 16 kg
The price has been reduced. 2025/2/16 sales price 138,000 yen Maintenance completed! The 300B push-pull primary amplifier became Triode's initial signature model. A masterpiece with excellent cost performance that combines clarity and thickness of the medium sound. It is packed with the appeal of the company, which conveys the appeal of vacuum tubes with modern speakers. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.2.16 maintenance completed (rotary switch disassembly, polishing, cleaning, protective agent application, RCA jack replacement, bias check, ham balance adjustment, output voice check)
Accessories: power cable
Main specifications: 300B push-pull output 18W+18W 300B x 4, 12AT7 x 1, 6SN7 x 2 output impedance 8 ohm/4 ohm line input 4 systems W430 x H210 x D320 mm 20 kg
The price has been drastically reduced. 2025/2/11 sales price 118,000 yen This model is equipped with an MM phono equalizer and is compatible with a remote control for volume adjustment. In addition to dividing the transformer into 3 parts, changes have also been made, such as omitting the PRE-IN terminal, and the power supply LED is orange. In addition to the firm extrusion characteristic of vacuum tube amplifiers, it is a product with a delicate and clear tone. There is a feeling of use, such as small scratches scattered on the transformer top plate and left edge. Serial 15041161 (Takasaki Atsushi)
Maintenance information: 2025.2.11 operation confirmed
Accessories: remote control, power cord
Main specifications: KT88 x 4, 12AX7 x 1, 12AU7A x 2 output 45W+45W W340 x H185 x D315 mm 15 kg